/Engine/Plugins/Experimental/NaniteDisplacedMesh/Source/NaniteDisplacedMesh/Public/NaniteDisplacedMesh.h
[FDelegateHandle](API\Runtime\Core\Delegates\FDelegateHandle) RegisterOnRenderingDataChanged ( const [FOnRebuild](API\Plugins\NaniteDisplacedMesh\UNaniteDisplacedMesh\FOnRebuild) & Delegate )